That’s a photo of the serial debug port on a BW connect adapter circuit board. If you plan to connect to it, please note that it operates at 3 volts. It is not safe above 3v3, (it’s not even safe at 5V) so don’t connect a real RS-232 cable.
That’s a photo of the serial debug port on a BW connect adapter circuit board. If you plan to connect to it, please note that it operates at 3 volts. It is not safe above 3v3, (it’s not even safe at 5V) so don’t connect a real RS-232 cable.